This set of templates from Westalee make quilting circles with free motion a breeze! These are interior shape templates, so you work from inside the template. Each template has a puzzle-like key that is removable so you can easily reposition or remove the template without having to cut the thread or wrestle the template around the foot. This is a set of 4 separate templates, ranging from 2.5, 3, 3.5, and 4 inches. The templates are clearly marked at the corners and the center of each side. These templates are easy to maneuver around the foot when quilting on a domestic machine. Sold only as a set and available in the popular 4.5 mm thickness or the 3 mm thickness for low shank machines with reduced clearance.